SOLUTION: Mr.Washington picks a random student each morning to take roll. There are 12 girls and 10boys in the class. What is the probability that he picks a boy two days in a row (the same

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Question 1032469: Mr.Washington picks a random student each morning to take roll. There are 12 girls and 10boys in the class. What is the probability that he picks a boy two days in a row (the same boy can be picked twice
Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
Mr.Washington picks a random student each morning to take roll. There are 12 girls and 10boys in the class. What is the probability that he picks a boy two days in a row (the same boy can be picked twice.
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The selections are independent because the same boy can be selected both days.
Ans: P(boy and boy) = (10/22)^2 = (5/11)^2 = 25/121
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Cheers,
Stan H.
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